Under the regulations of the International Civil Aviation Safety Board, any commercial airliner that completes more than 3,000 flight hours in a calendar year must undergo a comprehensive turbine ultrasound inspection unless all of its primary engine components were replaced within the preceding 12 months. Last year, Aircraft Skycraft-90 logged 3,400 flight hours, and exactly two of its four primary engine components were replaced within the preceding 12 months.
Statement: Under the board's regulations, Aircraft Skycraft-90 is required to undergo a comprehensive turbine ultrasound inspection.
Cevap: Cevap
Cevap
True. Aircraft Skycraft-90 logged 3,400 flight hours (exceeding the 3,000-hour threshold) and failed to satisfy the exemption requirement that all primary engine components be replaced within the preceding 12 months.
The rule imposes a mandatory turbine ultrasound inspection on any airliner exceeding 3,000 flight hours unless all primary engine components were replaced in the last 12 months. Skycraft-90 logged 3,400 hours (exceeding 3,000) and replaced only two of its four components. Because it fails to meet the strict requirement of replacing all components, the exemption does not apply, and the inspection is guaranteed to be required.
Adım Adım Çözüm
Anahtar Kavram
Conditional logic and valid deductions from rules containing strict exceptions ('unless all')